This KOHLER® ceramic, wall-mount three-handle valve system works behind the scenes to deliver optimal water performance through your bathroom faucet. A quarter-turn rotation allows you to turn the water on and off with small movements, creating an ergonomic faucet. The wall-mount valve with diverter features brass construction for durability and ceramic valving to keep your water running smoothly for years. Kohler® Widespread In-Wall Valve System, 1/2 in NPT Inlet Connection, 10 gpm, For Use with: 8 in Center 3-Handle Wall Mount Faucets, Wall Mount, Brass Body, 8 in W